How to make roads with recycled waste, and pave the way to a circular economy
- Written by The Conversation

It cost A$49 million to add 12.5 kilometres of extra lanes to Western Australia’s Kwinana Highway, south of Perth’s CBD. That’s not unusual. On average, building a single lane of road costs about about A$5 million per kilometre.
What is unusual about this stretch of extra freeway is not the money but...
Read more: How to make roads with recycled waste, and pave the way to a circular economy